Home / 482,848.10-724,272.15-358,432.10

Finding the Fourth Proportional to 482,848.10, 724,272.15 and 358,432.10

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Solution

The fourth proportional to 482,848.10, 724,272.15 and 358,432.10 is: 537,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,848.10 : 724,272.15 = 358,432.10 : x
  2. Step 2: Convert to fraction form
    482,848.10/724,272.15 = 358,432.10/x
  3. Step 3: Cross multiply
    482,848.10x = 724,272.15 × 358,432.10
  4. Step 4: Simplify right side
    482,848.10x = 259,602,387,696.02
  5. Step 5: Solve for x
    x = 259,602,387,696.02/482,848.10
  6. Step 6: Final answer
    x = 537,648.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.